[stdlib] Resolve unsafeBitCast warnings in Runtime.swift.gyb. (#7116)
[stdlib] Resolve unsafeBitCast warnings in Runtime.swift.gyb. (#7116)

No intended functionality change.
codestergit/swift,atrick/swift,manavgabhawala/swift,calebd/swift,swiftix/swift,JGiola/swift,sschiau/swift,jmgc/swift,arvedviehweger/swift,allevato/swift,benlangmuir/swift,karwa/swift,shajrawi/swift,OscarSwanros/swift,practicalswift/swift,lorentey/swift,danielmartin/swift,calebd/swift,CodaFi/swift,bitjammer/swift,amraboelela/swift,aschwaighofer/swift,alblue/swift,milseman/swift,gregomni/swift,devincoughlin/swift,tkremenek/swift,nathawes/swift,manavgabhawala/swift,practicalswift/swift,gribozavr/swift,alblue/swift,airspeedswift/swift,natecook1000/swift,frootloops/swift,gregomni/swift,milseman/swift,harlanhaskins/swift,shajrawi/swift,CodaFi/swift,glessard/swift,uasys/swift,xedin/swift,ahoppen/swift,tinysun212/swift-windows,amraboelela/swift,jckarter/swift,huonw/swift,jtbandes/swift,benlangmuir/swift,bitjammer/swift,shajrawi/swift,nathawes/swift,tjw/swift,alblue/swift,zisko/swift,jtbandes/swift,practicalswift/swift,hughbe/swift,return/swift,jmgc/swift,ahoppen/swift,shahmishal/swift,gregomni/swift,karwa/swift,allevato/swift,parkera/swift,tinysun212/swift-windows,sschiau/swift,tardieu/swift,danielmartin/swift,felix91gr/swift,swiftix/swift,apple/swift,hughbe/swift,hooman/swift,shahmishal/swift,jckarter/swift,xwu/swift,felix91gr/swift,Jnosh/swift,tkremenek/swift,gregomni/swift,harlanhaskins/swift,amraboelela/swift,stephentyrone/swift,jopamer/swift,apple/swift,jckarter/swift,practicalswift/swift,zisko/swift,felix91gr/swift,xwu/swift,deyton/swift,hooman/swift,xedin/swift,uasys/swift,jopamer/swift,amraboelela/swift,atrick/swift,rudkx/swift,austinzheng/swift,OscarSwanros/swift,nathawes/swift,natecook1000/swift,gribozavr/swift,CodaFi/swift,jtbandes/swift,roambotics/swift,tjw/swift,calebd/swift,xwu/swift,ahoppen/swift,gregomni/swift,tjw/swift,stephentyrone/swift,glessard/swift,devincoughlin/swift,manavgabhawala/swift,huonw/swift,glessard/swift,aschwaighofer/swift,parkera/swift,tkremenek/swift,devincoughlin/swift,karwa/swift,bitjammer/swift,natecook1000/swift,rudkx/swift,CodaFi/swift,jmgc/swift,benlangmuir/swift,swiftix/swift,danielmartin/swift,tinysun212/swift-windows,jtbandes/swift,lorentey/swift,harlanhaskins/swift,deyton/swift,glessard/swift,danielmartin/swift,arvedviehweger/swift,huonw/swift,atrick/swift,manavgabhawala/swift,shahmishal/swift,hooman/swift,sschiau/swift,harlanhaskins/swift,practicalswift/swift,JGiola/swift,stephentyrone/swift,parkera/swift,milseman/swift,stephentyrone/swift,brentdax/swift,CodaFi/swift,rudkx/swift,tardieu/swift,manavgabhawala/swift,Jnosh/swift,roambotics/swift,sschiau/swift,karwa/swift,aschwaighofer/swift,tardieu/swift,parkera/swift,allevato/swift,shahmishal/swift,huonw/swift,JGiola/swift,xwu/swift,natecook1000/swift,parkera/swift,jopamer/swift,xwu/swift,karwa/swift,hughbe/swift,return/swift,austinzheng/swift,airspeedswift/swift,austinzheng/swift,djwbrown/swift,austinzheng/swift,austinzheng/swift,danielmartin/swift,swiftix/swift,stephentyrone/swift,felix91gr/swift,parkera/swift,return/swift,CodaFi/swift,jckarter/swift,milseman/swift,austinzheng/swift,codestergit/swift,harlanhaskins/swift,calebd/swift,nathawes/swift,sschiau/swift,tinysun212/swift-windows,lorentey/swift,tkremenek/swift,codestergit/swift,atrick/swift,bitjammer/swift,glessard/swift,harlanhaskins/swift,gribozavr/swift,tinysun212/swift-windows,amraboelela/swift,tardieu/swift,benlangmuir/swift,hughbe/swift,return/swift,aschwaighofer/swift,rudkx/swift,natecook1000/swift,jmgc/swift,lorentey/swift,codestergit/swift,swiftix/swift,jopamer/swift,apple/swift,frootloops/swift,hooman/swift,uasys/swift,rudkx/swift,arvedviehweger/swift,zisko/swift,JGiola/swift,arvedviehweger/swift,Jnosh/swift,manavgabhawala/swift,frootloops/swift,tardieu/swift,Jnosh/swift,frootloops/swift,gregomni/swift,xedin/swift,zisko/swift,ahoppen/swift,djwbrown/swift,tkremenek/swift,return/swift,shahmishal/swift,manavgabhawala/swift,tjw/swift,zisko/swift,sschiau/swift,shajrawi/swift,hughbe/swift,airspeedswift/swift,airspeedswift/swift,practicalswift/swift,roambotics/swift,gribozavr/swift,deyton/swift,tkremenek/swift,jmgc/swift,arvedviehweger/swift,devincoughlin/swift,gribozavr/swift,stephentyrone/swift,frootloops/swift,parkera/swift,CodaFi/swift,jtbandes/swift,hooman/swift,nathawes/swift,OscarSwanros/swift,jckarter/swift,felix91gr/swift,jtbandes/swift,sschiau/swift,sschiau/swift,brentdax/swift,uasys/swift,karwa/swift,gribozavr/swift,brentdax/swift,swiftix/swift,rudkx/swift,hughbe/swift,alblue/swift,shajrawi/swift,brentdax/swift,airspeedswift/swift,JGiola/swift,karwa/swift,return/swift,hooman/swift,xedin/swift,harlanhaskins/swift,nathawes/swift,danielmartin/swift,jckarter/swift,milseman/swift,danielmartin/swift,apple/swift,parkera/swift,deyton/swift,shahmishal/swift,calebd/swift,hooman/swift,shajrawi/swift,djwbrown/swift,jmgc/swift,deyton/swift,glessard/swift,tardieu/swift,xwu/swift,gribozavr/swift,hughbe/swift,natecook1000/swift,practicalswift/swift,milseman/swift,devincoughlin/swift,OscarSwanros/swift,alblue/swift,practicalswift/swift,roambotics/swift,OscarSwanros/s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